Sailor Trinity, a beautiful girl warrior who protects the peace of the city by transforming with the power of Master Force, a legendary treasure handed down from the super ancient civilization Lemuria. - She was usually a female student at Higurugaoka Academy with excellent grades, and was the chairman of the committee. - One day, a mad scientist nicknamed Dr. Skull plots to steal the power of Master Force, the source of Trinitys power, and become an unmatched mask, disguising himself as a chemistry teacher at Higurugaoka Academy and approaching Trinity. - And to use her brother in Trinity to set a trap for her. - Trinity, who fell into her trap, was deprived of her energy and was forced to do her shame with the limitless libido of her unequaled mask... [BAD END]